Molecular Models (VSEPR Theory)

# of
"Effective Pairs"
# of
Lone pairs
GeometryShapeLewis Structure
Example
3d modelbond
angles
50Trigonal bipyramidTrigonal bipyramid


video: 5-0 configuration

120, 90, 180
51Trigonal bipyramidSee-saw


video: 5-1 configuration

120, 90, 180
52Trigonal bipyramidT-shape


video: 5-2 configuration

90, 180
53Trigonal bipyramidLinear


video: 5-3 configuration

180 (lone pairs 120)
60OctahedralOctahedral


video: 6-0 configuration

90, 180
61OctahedralSquare pyramid


video: 6-1 configuration

90, 180
62OctahedralSquare planar


video: 6-2 configuration

90, 180
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